CN212052230U - Civil engineering's road and bridge self-propelled survey device - Google Patents
Civil engineering's road and bridge self-propelled survey device Download PDFInfo
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- CN212052230U CN212052230U CN202020569535.1U CN202020569535U CN212052230U CN 212052230 U CN212052230 U CN 212052230U CN 202020569535 U CN202020569535 U CN 202020569535U CN 212052230 U CN212052230 U CN 212052230U
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Abstract
The utility model provides a civil engineering's road and bridge self-propelled survey device, including surveying the car, the top of surveying the car is equipped with slide bracket, slide bracket with survey car sliding connection, slide bracket's upside is equipped with 2 tip fixed connection's pneumatic cylinder, 2 the downside of pneumatic cylinder is equipped with the rotation round platform subassembly, and passes through the rotation round platform subassembly with slide bracket rotatable coupling, every the pneumatic cylinder is kept away from all be equipped with the expansion plate on the one end of rotation round platform subassembly, every piston plate fixed connection in the one end of expansion plate all rather than the pneumatic cylinder that corresponds, every the expansion plate is kept away from all be equipped with crack detection mechanism on the other end of pneumatic cylinder. Through the rotary round platform under the rotary sliding platform, multi-angle surveying can be realized, and surveying efficiency and accuracy are improved.
Description
Technical Field
The utility model relates to a road and bridge survey equipment field, concretely relates to civil engineering's road and bridge self-propelled survey device.
Background
After the roads and the bridges are built by themselves, due to the influence of environmental factors such as driving, rainwater and solarization, the problems of cracking, aging and the like of the roads and the bridges are very easy to occur, the problems may not be influenced greatly in the initial building stage, but some unpredictable safety problems are easy to occur in the long-term use process, and therefore the service life of the roads and the bridges is shortened. Therefore, in the later maintenance management work, the road and bridge need to be regularly surveyed to ensure the safety of the road and bridge and the driving safety.
At present, the method for surveying the road and the bridge mainly adopts a manual site surveying mode, which brings great pressure to surveying work, is time-consuming and labor-consuming, has low working efficiency, can not effectively collect surveying data, and has great problems in the transportation of surveying equipment.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, an object of the utility model is to provide a civil engineering's road and bridge self-propelled survey device can improve the efficiency of surveying work, can also carry out effective collection, the convenient aassessment to road and bridge security to surveying data.
In order to achieve the above object, the technical solution of the present invention is as follows.
The utility model provides a civil engineering's self-propelled device of surveying of road and bridge, is including surveying the car, the top of surveying the car is equipped with slide bracket, slide bracket with survey car sliding connection, slide bracket's upside is equipped with 2 tip fixed connection's pneumatic cylinder, 2 the downside of pneumatic cylinder is equipped with the rotation round platform subassembly, and passes through the rotation round platform subassembly with slide bracket rotatable coupling, every the pneumatic cylinder is kept away from all be equipped with the expansion plate on the one end of rotation round platform subassembly, every piston plate fixed connection in the one end of expansion plate all rather than the pneumatic cylinder that corresponds, every the expansion plate is kept away from all be equipped with crack detection mechanism on the other end of pneumatic cylinder.
Furthermore, T-shaped slide rails are symmetrically arranged on two sides of the top of the surveying vehicle, slide blocks matched with the corresponding T-shaped slide rails are arranged on the lower side of the sliding platform, and each slide block is buckled on the corresponding T-shaped slide rail.
Still further, every the lower extreme of slider all is equipped with the spout rather than the T type slide rail looks adaptation that corresponds, every the upper end of spout all is equipped with the first pulley that meets rather than the T type slide rail that corresponds, every the both sides of spout all are equipped with the second pulley that meets rather than the T type slide rail that corresponds, every first pulley, every the second pulley all with its slider rotatable coupling that corresponds.
Further, sliding platform's downside is equipped with the axis of rotation, the axis of rotation with sliding platform rotatable coupling, be equipped with 2 gears in the axis of rotation, survey and be equipped with 2 racks on the car, every the gear all install in the upside rather than the rack that corresponds, and with the meshing of rack profile of tooth, the both sides of axis of rotation all are equipped with the drive axis of rotation pivoted power component.
Furthermore, the power assembly comprises bevel gear pairs arranged on two sides of the rotating shaft and a second motor driving the bevel gear pair on one side to rotate, each bevel gear pair comprises a first bevel gear arranged on one side of the rotating shaft and a second bevel gear arranged on one side of the first bevel gear, each first bevel gear is in tooth-shaped meshing with the corresponding second bevel gear, each bevel gear shaft of each second bevel gear is in rotatable connection with the sliding platform through a bearing, and the second motor is detachably connected with the bevel gear shaft of the second bevel gear on one side through a coupler.
Further, the rotary round platform assembly comprises a supporting seat, a first motor and a round platform base, the round platform base is fixedly installed on the sliding platform, the round platform base is provided with an installation groove hole for installing the first motor, the first motor is detachably installed in the installation groove hole, an output shaft of the first motor is detachably connected with the supporting seat, the supporting seat is rotatably installed on the round platform base through a bearing, and the top of the supporting seat is detachably connected with 2 hydraulic cylinders.
Furthermore, 2 the upside of pneumatic cylinder be equipped with the hydraulic pump and with hydraulic tank that hydraulic pump is connected, the hydraulic pump is connected rather than the pneumatic cylinder that corresponds respectively through 2 hydraulic pressure oil pipe.
Further, each hydraulic cylinder is provided with a damping spring shock isolator on an inner cavity close to one side of the rotary circular table assembly, each damping spring shock isolator is provided with a first electromagnet on one side, each piston plate in the hydraulic cylinder faces to one side of the first electromagnet, and the first electromagnet and the second electromagnet are attracted or repelled.
Further, crack detection mechanism includes pole setting, right angle connecting plate and fixed block, the one end of pole setting is equipped with the carousel, and through carousel and its corresponding expansion plate rotatable coupling, the downside of carousel is equipped with the drive carousel pivoted third motor, the other end of pole setting with the one end fixed connection of right angle connecting plate, the downside of the other end of right angle connecting plate is equipped with the fixed block, the downside of fixed block is equipped with and is used for detecting fissured ultrasonic crack detector, one side of ultrasonic crack detector is equipped with the camera.
Further, be equipped with in the survey car and survey the control room, survey and be equipped with control module, storage module and power in the control room, the power with control module electric connection, control module respectively with sliding platform the pneumatic cylinder rotate round platform subassembly electric connection, control module respectively with crack detection mechanism storage module signal connection.
The utility model has the advantages that:
compared with the prior art, the utility model provides a civil engineering's self-propelled device of surveying of road bridge, this self-propelled survey device can accomplish the survey task at the automatic walking in-process, surveys the road bridge of surveying car both sides simultaneously through the crack detection mechanism of both sides, and when discovering the crack, the crack detection appearance can follow the place of shooting the maintenance of treating automatically to data such as the crack depth that will detect carry out record and storage, make things convenient for going on of later stage maintenance work.
When the highway section of treating the maintenance carries out accurate reconnaissance time measuring, can carry out horizontal migration through the sliding platform at reconnaissance car top, conveniently measure the crack condition of automobile body left and right sides, through the rotation round platform under the rotatory sliding platform, can realize multi-angle surveying, improve and survey efficiency and the degree of accuracy.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic structural view of the sliding platform and the hydraulic cylinder in embodiment 1 of the present invention.
Fig. 3 is a sectional view of the sliding platform according to embodiment 1 of the present invention.
Fig. 4 is a schematic structural view of a portion a in fig. 1.
Fig. 5 is a schematic structural view of a hydraulic cylinder and a rotary circular truncated cone assembly in embodiment 2 of the present invention.
Fig. 6 is a schematic structural view of a crack detection mechanism in embodiment 3 of the present invention.
Fig. 7 is a block diagram of a control module according to embodiment 3 of the present invention.
In the figure: 1. surveying the vehicle; 11. a T-shaped slide rail; 12. a rack; 2. a sliding platform; 21. a slider; 211. a chute; 212. a first pulley; 213. a second pulley; 22. a rotating shaft; 221. a gear; 23. a power assembly; 231. a first bevel gear; 232. a second bevel gear; 233. a second motor; 3. a hydraulic cylinder; 31. a piston plate; 32. a damping spring shock absorber; 33. a first electromagnet; 34. a second electromagnet; 4. rotating the circular truncated cone assembly; 41. a circular truncated cone base; 411. mounting a slotted hole; 42. a first motor; 43. a supporting seat; 5. a retractable plate; 6. a crack detection mechanism; 61. erecting a rod; 62. a right-angle connecting plate; 63. a fixed block; 64. a turntable; 65. a third motor; 66. an ultrasonic crack detector; 67. a camera; 7. a hydraulic pump; 8. a hydraulic oil tank; 9. a control module; 10. a power source.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
Example 1
Referring to fig. 1-4, the embodiment of the utility model provides a road and bridge self-propelled survey device of civil engineering, including surveying car 1, the top of surveying car 1 is equipped with sliding platform 2, sliding platform 2 and surveying car 1 sliding connection, sliding platform 2's upside is equipped with 2 tip fixed connection's pneumatic cylinder 3, 2 pneumatic cylinder 3's downside is equipped with rotation round platform subassembly 4, and through rotating round platform subassembly 4 and 2 rotatable coupling of sliding platform, every pneumatic cylinder 3 is kept away from one of rotation round platform subassembly 4 and is served and all be equipped with expansion plate 5, the piston plate 31 fixed connection in every pneumatic cylinder 3 that corresponds is all served with every pneumatic cylinder 5's one end, and piston plate 31 swing joint is in pneumatic cylinder 3's cylinder body, every expansion plate 5 is kept away from and all is equipped with crack detection mechanism 6 on the other end of pneumatic cylinder 3.
In this embodiment, the device can accomplish the survey task at the automatic walking in-process, surveys the road and bridge of surveying car both sides simultaneously through the crack detection mechanism of both sides, and when discovering the crack, the crack detection appearance can follow the place of shooting waiting to maintain automatically to data such as the crack degree of depth that will detect carry out record and save, make things convenient for going on of later stage maintenance work.
When the highway section of treating the maintenance carries out accurate reconnaissance time measuring, can carry out horizontal migration through the sliding platform at reconnaissance car top, conveniently measure the crack condition of automobile body left and right sides, through the rotation round platform under the rotatory sliding platform, make 2 pneumatic cylinders can realize 360 rotations around rotating the round platform, can realize multi-angle survey, improve and survey efficiency and the degree of accuracy.
In order to improve the stability of the sliding platform in the process of moving the top of the survey vehicle, the T-shaped slide rails 11 are symmetrically arranged on two sides of the top of the survey vehicle 1, the slide blocks 21 matched with the corresponding T-shaped slide rails 11 are arranged on the lower side of the sliding platform 2, and each slide block 21 is buckled on the corresponding T-shaped slide rail 11.
Referring to fig. 4, the lower end of each sliding block 21 is provided with a sliding groove 211 adapted to the corresponding T-shaped sliding rail 11, the upper end of each sliding groove 211 is provided with a first pulley 212 connected to the corresponding T-shaped sliding rail 11, the two sides of each sliding groove 211 are provided with second pulleys 213 connected to the corresponding T-shaped sliding rail 11, and each first pulley 212 and each second pulley 213 are rotatably connected to the corresponding sliding block 21. Through first pulley and second pulley can reduce the frictional force between slider and the T type slide rail, avoid the wearing and tearing of slider.
Referring to fig. 3, the lower side of the sliding platform 2 is provided with a rotating shaft 22, the rotating shaft 22 is rotatably connected with the sliding platform 2, the upper side of the rotating shaft is provided with a plurality of connecting blocks fixedly connected with the bottom of the sliding platform, and the rotating shaft is rotatably connected with the connecting blocks through bearings, so that the rotatable connection between the rotating shaft and the sliding platform is realized. The rotating shaft 22 is provided with 2 gears 221, and the 2 gears are symmetrically arranged on the rotating shaft and fixedly connected with the rotating shaft. The surveying vehicle 1 is provided with 2 racks 12, each gear 221 is mounted on the upper side of the corresponding rack 12 and is meshed with the corresponding rack 12 in a tooth form, so that the gears can drive the rotating shafts to move along the corresponding racks. And power components 23 for driving the rotating shaft 22 to rotate are arranged on two sides of the rotating shaft 22.
The power assembly 23 includes bevel gear pairs mounted on two sides of the rotating shaft 22 and a second motor 233 driving the bevel gear pair on one side to rotate, each bevel gear pair includes a first bevel gear 231 mounted on one side of the rotating shaft 22 and a second bevel gear 232 mounted on one side of the first bevel gear 231, each first bevel gear 231 is in tooth-shaped engagement with the corresponding second bevel gear 232, a bevel gear shaft of each second bevel gear 232 is rotatably connected with the sliding platform 2 through a bearing, and the second motor 233 is detachably connected with a bevel gear shaft of the second bevel gear 232 on one side through a coupling.
And starting the second motor, and driving the second bevel gear to rotate through the second motor, so that the first bevel gear can be driven to rotate, and the rotating shaft can rotate along with the first bevel gear. The rotating shaft can be stably rotated at the lower side of the sliding platform through the bevel gear pairs at the two sides of the rotating shaft.
As shown in fig. 2, a hydraulic pump 7 and a hydraulic oil tank 8 connected to the hydraulic pump 7 are provided above the 2 hydraulic cylinders 3, and the hydraulic pump 7 is connected to the corresponding hydraulic cylinder 3 through 2 hydraulic oil pipes. The hydraulic oil in the hydraulic oil tank is respectively led into the corresponding hydraulic cylinders through 2 hydraulic oil pipes by the hydraulic pump so as to push the piston plates in the hydraulic cylinders to move outwards, and then the telescopic plate drives the crack detection mechanism to push outwards. In a similar way, the telescopic plate can be driven towards the hydraulic cylinder, so that the detection range can be enlarged through the telescopic plate.
Example 2
Referring to fig. 5, the difference from the above embodiment is that a damping spring isolator 32 is disposed on an inner cavity of each hydraulic cylinder 3 on a side close to the rotating circular table assembly 4, a first electromagnet 33 is disposed on a side of each damping spring isolator 32, a second electromagnet 34 is disposed on a side of the piston plate 31 in each hydraulic cylinder 3 facing the first electromagnet 33, and the first electromagnet and the second electromagnet are attracted or repelled. Through the inboard that the piston board can conveniently be adjusted to the looks absorption or repulsion of first electro-magnet and second electro-magnet and be close to or keep away from the pneumatic cylinder, play certain cushioning effect, can play further cushioning effect through damping spring shock insulator, avoid the expansion plate when moving towards the pneumatic cylinder inboard, too big to the impulsive force of pneumatic cylinder, influence the life of this pneumatic cylinder.
The rotary circular truncated cone component 4 comprises a supporting seat 43, a first motor 42 and a circular truncated cone base 41, the circular truncated cone base 41 is fixedly installed on the sliding platform 2, an installation slot 411 used for installing the first motor 42 is formed in the circular truncated cone base 41, the motor base of the first motor 42 is detachably installed in the installation slot 411 through a bolt, an output shaft of the first motor 42 is inserted into the bottom of the supporting seat 43 and is fixedly connected with the supporting seat 43, the supporting seat 43 is rotatably installed on the upper side of the circular truncated cone base 41 through a bearing, and the top of the supporting seat 43 is detachably connected with the bottoms of the 2 hydraulic cylinders 3 through bolts. Start first motor, drive the supporting seat through first motor and rotate to can make 2 pneumatic cylinders rotate, and the rotatable upside of installing in the round platform base of supporting seat can improve the stability of supporting seat at the rotation in-process.
Example 3
Referring to fig. 6-7, the difference from the above embodiment is that the crack detection mechanism 6 includes an upright post 61, a right-angle connecting plate 62 and a fixing block 63, a rotary plate 64 is disposed at one end of the upright post 61 and rotatably connected to the corresponding expansion plate 5 through the rotary plate 64, a third motor 65 for driving the rotary plate 64 to rotate is disposed at the lower side of the rotary plate 64, an output shaft of the third motor is fixedly connected to the rotary plate, and when the third motor is started, the output shaft of the third motor can drive the rotary plate to rotate, so that the upright post can rotate along with the rotary plate.
The other end of pole setting 61 and the one end fixed connection of right angle connecting plate 62, the downside of the other end of right angle connecting plate 62 is equipped with fixed block 63, and with fixed block fixed connection, the downside of fixed block 63 is equipped with and is used for detecting fissured ultrasonic wave crack detector 66, and one side of ultrasonic wave crack detector 66 is equipped with camera 67. The device can realize the shooting of road surface crack in the automatic walking process through the camera to shoot data storage in corresponding memory cell. The ultrasonic crack detector can accurately measure data such as crack depth of a road surface and store the data in the corresponding storage unit.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A self-propelled survey device for roads and bridges in civil engineering comprises a survey vehicle (1), it is characterized in that the top of the surveying vehicle (1) is provided with a sliding platform (2), the sliding platform (2) is connected with the surveying vehicle (1) in a sliding way, 2 hydraulic cylinders (3) with fixedly connected end parts are arranged on the upper side of the sliding platform (2), a rotary round table component (4) is arranged on the lower side of each hydraulic cylinder (3), and pass through rotate round platform subassembly (4) with sliding platform (2) rotatable coupling, every pneumatic cylinder (3) are kept away from rotate one of round platform subassembly (4) and serve and all be equipped with expansion plate (5), every piston plate (31) fixed connection in the one end of expansion plate (5) all rather than corresponding pneumatic cylinder (3) every expansion plate (5) are kept away from all be equipped with crack detection mechanism (6) on the other end of pneumatic cylinder (3).
2. The civil engineering road and bridge self-propelled surveying device of claim 1, wherein the surveying vehicle (1) is symmetrically provided with T-shaped slide rails (11) on both sides of the top, the sliding platform (2) is provided with sliding blocks (21) on the lower side thereof, the sliding blocks (21) are adapted to the corresponding T-shaped slide rails (11), and each sliding block (21) is fastened to the corresponding T-shaped slide rail (11).
3. The civil engineering road bridge self-propelled survey device according to claim 2, wherein the lower end of each slide block (21) is provided with a sliding groove (211) matched with the corresponding T-shaped sliding rail (11), the upper end of each sliding groove (211) is provided with a first pulley (212) connected with the corresponding T-shaped sliding rail (11), the two sides of each sliding groove (211) are provided with second pulleys (213) connected with the corresponding T-shaped sliding rail (11), and each first pulley (212) and each second pulley (213) are rotatably connected with the corresponding slide block (21).
4. The civil engineering road and bridge self-propelled survey device according to claim 1, wherein the sliding platform (2) is provided with a rotating shaft (22) on the lower side, the rotating shaft (22) is rotatably connected with the sliding platform (2), the rotating shaft (22) is provided with 2 gears (221), the survey vehicle (1) is provided with 2 racks (12), each gear (221) is mounted on the upper side of the corresponding rack (12) and is in tooth-shaped engagement with the rack (12), and the rotating shaft (22) is provided with power assemblies (23) on two sides for driving the rotating shaft (22) to rotate.
5. The civil engineering road bridge self-propelled survey device according to claim 4, wherein the power assembly (23) comprises bevel gear pairs mounted on both sides of the rotating shaft (22) and second motors (233) for driving the bevel gear pairs on one side to rotate, each bevel gear pair comprises a first bevel gear (231) mounted on one side of the rotating shaft (22) and a second bevel gear (232) mounted on one side of the first bevel gear (231), each first bevel gear (231) is in toothed engagement with the corresponding second bevel gear (232), the bevel gear shaft of each second bevel gear (232) is rotatably connected with the sliding platform (2) through a bearing, and the second motors (233) are detachably connected with the bevel gear shaft of the second bevel gear (232) on one side through a coupling.
6. The road bridge self-propelled surveying device of civil engineering of claim 1, characterized in that, the rotating circular truncated cone assembly (4) includes a supporting base (43), a first motor (42) and a circular truncated cone base (41), the circular truncated cone base (41) is fixedly mounted on the sliding platform (2), a mounting slot (411) for mounting the first motor (42) is provided on the circular truncated cone base (41), the first motor (42) is detachably mounted in the mounting slot (411), an output shaft of the first motor (42) is detachably connected with the supporting base (43), the supporting base (43) is rotatably mounted on the circular truncated cone base (41) through a bearing, and the top of the supporting base (43) is detachably connected with 2 hydraulic cylinders (3).
7. The civil engineering road and bridge self-propelled survey device according to claim 1, characterized in that the upper side of 2 hydraulic cylinders (3) is provided with a hydraulic pump (7) and a hydraulic oil tank (8) connected to the hydraulic pump (7), and the hydraulic pump (7) is connected to its corresponding hydraulic cylinder (3) through 2 hydraulic oil pipes.
8. The civil engineering road and bridge self-propelled survey device according to claim 1, characterized in that the inner cavity of each hydraulic cylinder (3) on the side close to the rotating circular truncated cone assembly (4) is provided with a damping spring isolator (32), one side of each damping spring isolator (32) is provided with a first electromagnet (33), and one side of the piston plate (31) in each hydraulic cylinder (3) facing the first electromagnet (33) is provided with a second electromagnet (34).
9. The civil engineering road bridge autonomous surveying device of claim 1, the crack detection mechanism (6) comprises an upright rod (61), a right-angle connecting plate (62) and a fixed block (63), one end of the upright rod (61) is provided with a turntable (64), and is rotatably connected with the corresponding expansion plate (5) through a turntable (64), a third motor (65) for driving the turntable (64) to rotate is arranged at the lower side of the turntable (64), the other end of the upright rod (61) is fixedly connected with one end of the right-angle connecting plate (62), a fixed block (63) is arranged at the lower side of the other end of the right-angle connecting plate (62), an ultrasonic crack detector (66) for detecting cracks is arranged on the lower side of the fixing block (63), and a camera (67) is arranged on one side of the ultrasonic crack detector (66).
10. The civil engineering road and bridge self-propelled surveying device of claim 1, wherein the surveying vehicle (1) is provided with a surveying control room, the surveying control room is provided with a control module (9), a storage module and a power supply (10), the power supply (10) is electrically connected with the control module (9), the control module (9) is electrically connected with the sliding platform (2), the hydraulic cylinder (3) and the rotating circular table assembly (4), and the control module (9) is in signal connection with the crack detection mechanism (6) and the storage module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020569535.1U CN212052230U (en) | 2020-04-16 | 2020-04-16 | Civil engineering's road and bridge self-propelled survey device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020569535.1U CN212052230U (en) | 2020-04-16 | 2020-04-16 | Civil engineering's road and bridge self-propelled survey device |
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| Publication Number | Publication Date |
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| CN212052230U true CN212052230U (en) | 2020-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020569535.1U Expired - Fee Related CN212052230U (en) | 2020-04-16 | 2020-04-16 | Civil engineering's road and bridge self-propelled survey device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112505151A (en) * | 2021-02-03 | 2021-03-16 | 西南交通大学 | Orthotropic steel bridge deck fatigue crack detection equipment and use method thereof |
| CN112857173A (en) * | 2021-01-06 | 2021-05-28 | 王锐 | Hydraulic ring geological crack measuring device |
| CN113417209A (en) * | 2021-07-27 | 2021-09-21 | 马晓涛 | Civil engineering road and bridge surveying device |
| CN114002218A (en) * | 2021-11-03 | 2022-02-01 | 河南易事建设工程有限公司 | Bridge bottom detection equipment |
-
2020
- 2020-04-16 CN CN202020569535.1U patent/CN212052230U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112857173A (en) * | 2021-01-06 | 2021-05-28 | 王锐 | Hydraulic ring geological crack measuring device |
| CN112505151A (en) * | 2021-02-03 | 2021-03-16 | 西南交通大学 | Orthotropic steel bridge deck fatigue crack detection equipment and use method thereof |
| CN113417209A (en) * | 2021-07-27 | 2021-09-21 | 马晓涛 | Civil engineering road and bridge surveying device |
| CN113417209B (en) * | 2021-07-27 | 2022-10-18 | 马晓涛 | Civil engineering road and bridge survey device |
| CN114002218A (en) * | 2021-11-03 | 2022-02-01 | 河南易事建设工程有限公司 | Bridge bottom detection equipment |
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Effective date of registration: 20201207 Address after: 050043 No. 17, North Second Ring Road, Hebei, Shijiazhuang Patentee after: SHIJIAZHUANG TIEDAO University Address before: 050043 No. 17, North Second Ring Road, Hebei, Shijiazhuang Patentee before: Zhao Yu |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201201 |
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| CF01 | Termination of patent right due to non-payment of annual fee |